[PATCH 5/9] perf/trace/scripting: workqueue-stats script cleanup

From: Tom Zanussi
Date: Mon May 10 2010 - 00:48:26 EST


Some minor fixes for the workqueue-stats script:

- Fix nuisance 'use of uninitialized value' warnings

Signed-off-by: Tom Zanussi <tzanussi@xxxxxxxxx>
---
tools/perf/scripts/perl/workqueue-stats.pl | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/perf/scripts/perl/workqueue-stats.pl b/tools/perf/scripts/perl/workqueue-stats.pl
index 511302c..b84b126 100644
--- a/tools/perf/scripts/perl/workqueue-stats.pl
+++ b/tools/perf/scripts/perl/workqueue-stats.pl
@@ -71,9 +71,9 @@ sub trace_end
printf("%3s %6s %6s\t%-20s\n", "---", "---", "----", "----");
foreach my $pidhash (@cpus) {
while ((my $pid, my $wqhash) = each %$pidhash) {
- my $ins = $$wqhash{'inserted'};
- my $exe = $$wqhash{'executed'};
- my $comm = $$wqhash{'comm'};
+ my $ins = $$wqhash{'inserted'} || 0;
+ my $exe = $$wqhash{'executed'} || 0;
+ my $comm = $$wqhash{'comm'} || "";
if ($ins || $exe) {
printf("%3u %6u %6u\t%-20s\n", $cpu, $ins, $exe, $comm);
}
@@ -87,9 +87,9 @@ sub trace_end
printf("%3s %6s %6s\t%-20s\n", "---", "-------", "---------", "----");
foreach my $pidhash (@cpus) {
while ((my $pid, my $wqhash) = each %$pidhash) {
- my $created = $$wqhash{'created'};
- my $destroyed = $$wqhash{'destroyed'};
- my $comm = $$wqhash{'comm'};
+ my $created = $$wqhash{'created'} || 0;
+ my $destroyed = $$wqhash{'destroyed'} || 0;
+ my $comm = $$wqhash{'comm'} || "";
if ($created || $destroyed) {
printf("%3u %6u %6u\t%-20s\n", $cpu, $created, $destroyed,
$comm);
--
1.6.4.GIT

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